Comando Batch para MS-DOS IF

Com questão:


@ECHO OFF REM - LABEL INDICATING THE BEGINNING OF THE DOCUMENT.
:BEGIN
CLS REM - THE BELOW LINE GIVES THE USER 3 CHOICES (DEFINED AFTER /C:)
CHOICE /N /C:123 /M "PICK A NUMBER (1, 2, or 3)"%1 REM - THE NEXT THREE LINES ARE DIRECTING USER DEPENDING UPON INPUT
IF ERRORLEVEL ==3 GOTO THREE
IF ERRORLEVEL ==2 GOTO TWO
IF ERRORLEVEL ==1 GOTO ONE
GOTO END
:THREE
ECHO YOU HAVE PRESSED THREE
GOTO END
:TWO
ECHO YOU HAVE PRESSED TWO
GOTO END
:ONE
ECHO YOU HAVE PRESSED ONE
:END